Which type of responsibility relates to a formal assignment of property responsibility to Soldiers within the supply chain that have the property within their custody but Not necessary for their use?

The type of responsibility that relates to a formal assignment of property to Soldiers within the supply chain is known as "custodial responsibility." This responsibility signifies that Soldiers are accountable for the property they have in their custody, regardless of whether they are the primary users. Custodial responsibility ensures that the property is properly managed and safeguarded, maintaining accountability within the supply chain.